Survey Identifier: C1508


Format Acronym: MGD77
Data Center File Number: 01010104
Parameters Surveyed Code: 55530
File Creation Date (yyyymmdd): 19870728
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: U.S.A.
Platform Name: CONRAD
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): LEYDEN, ROBERT
Project: c1508
Survey Departure Date (yyyymmdd): 19720511
Port of Departure: RIO DE JANEIRO, BRAZIL
Survey Arrival Date (yyyymmdd): 19720605
Port of Arrival: RECIFE, BRAZIL
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE /DEAD RECKONING
Bathymetry Instrumentation: 3.5
Magnetics Instrumentation: P
Gravity Instrumentation: BELL
Topmost Latitude of Survey: -08
Bottommost Latitude: -26
Leftmost Longitude: -044
Rightmost Longitude: -030
General Digitizing Rate of Bathymetry: 31
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 0
General Digitizing Rate of Magnetics: 33
Reference Field Code: 72
General Digitizing Rate of Gravity: 33
Theoretical Gravity Formula Code: 2
Reference System Code: 2
Number of Data Records: 10325

Min/Max Data Record:
Date: 1972 05 11
Latitude: -25.87160
Longitude: -43.11670
Bathymetry, 2- Way Traveltime: 000350
Bathymetry, Corrected Depth: 26.0
Magnetics Total Field, 1st Sensor: 236910
Magnetics Residual Field: -04060
Free-Air Anomaly: -1024

Min/Max Data Record:
Date: 1972 06 05
Latitude: -8.02550
Longitude: -30.39470
Bathymetry, 2- Way Traveltime: 067800
Bathymetry, Corrected Depth: 5112.0
Magnetics Total Field, 1st Sensor: 264560
Magnetics Residual Field: +04580
Free-Air Anomaly: +2573